Trail Running Calendar East of England 2026-2027

Dinosaur Dash at Roarr! Dinosaur Adventure on 7 August 2026 offers a junior 2.5K, a 5K for ages 11+, and a 100m Diddy Dash for under-6s, with chip timing, medals, trophies, onsite refreshments and first aid.

A relaxed trail event with a 5 km run through Rougham sunflower fields, followed by bagels, drinks and DJ music in the field.

A 12 hour multi terrain loop event at Riverside Park St Neots with solo pair and team entries plus festival activities awards and a unique finisher medal.

Point to point trail ultrarun along the Stour Valley Path with 100 km and 50 km options, UTMB Index points, mostly off road and published time limits.

The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.

Choose your distance at this flexible event at Grafham Water. Run as many 5.3 km laps as you like on a flat course within a six hour window to earn a unique board game inspired medal.

Charity trail run in Cold Norton on 9 Aug 2026 offering 10 km and half marathon routes on grass and tracks, with proceeds to Farleigh Hospice.

A guided 16k trail run at High Lodge in Thetford Forest with forest facts and practical trail running tips. Runs are led at a conversational pace and groups are matched by ability to help participants enjoy the woodland routes.

Race 5 of Pitsea RC's Crown to Crown series is a measured off road 5K at Westley Heights Country Park on 12 Aug 2026 featuring bridleway trails and onsite safety measures.

A guided 10 km trail run through the Chiltern Hills finishing with a brewery tour and tasting at Tring Brewery, including a drink and on‑site pizza options.

An obstacle day at Forest Facility near Stamford with a 4 mile loop of about 60 obstacles, a 1.5 mile family wave and proceeds supporting rainforest conservation.

A 22 mile guided trail run from North Walsham to Cromer on the Norfolk Coast. The route follows the Paston Way and passes places linked to the Paston family; organiser ESCAPE trails lists the price as £28.

A guided social trail run on a 10 mile loop through the ancient droves of Mildenhall and Lakenheath, with run leaders, scenic stops and post run refreshments.

Evening trail events in Chelmsford on 17 Aug 2026 offering a 10 km trail run, a 10 km social hike and a timed 15 km hike supporting the British Heart Foundation.

An evening trail race of **10 km** on the original anti-clockwise course, with a GPX route, event T-shirt, timed finish and post-race coffee and cake.

A fundraising family 5K colour run at Stowmarket Town FC with multi-terrain routes, colour zones and a BBQ finish, raising funds for the club youth section.

A self navigation trail event along the Colne Valley Path with marathon and half marathon distances, stocked aid stations, cupless arrangements, a pre-race shuttle and optional medal choices.

Trail races of 5km and 10km from Whitwell and Reepham Railway Station supporting Keeping Abreast charity, with medals for finishers, refreshments, and parking where proceeds are donated.

A trail half marathon from Creasey Park across the Dunstable Downs, run mainly on footpaths and bridleways. The self navigated course includes checkpoints and guide runners, a GPX file, on course drink stations and event facilities.

Two self-navigation trail races in Chelmsford on 23 August 2026: the hilly Admiral McHilly Trail of about 16 miles and the flatter Chelmer Trail of about 6 miles, with written route instructions and no course markings.